It is a good thing you want to help beginners and I appreciate it.
Nowadays crypto trading has already been a popular source of earning. Most probably millions of people from all over the world connected with crypto trading.
In my opinion most people are escaping in relation to the big change of price. Even I saw a few of them in Reddit. Some of the miners are not so different from the traders, so they have stopped working because they can not make profit. Maybe this will cause some of them not to start at all, but unfortunately situation is not good.
1. If you wanna buy a coin/token in any exchange than you should join that projects social groups and channels for getting update info about that coin/token. Which will help you to take the decision when to buy, hold and sell. Most of the crypto project have a continious upgradation plan. whenever any date comes near basically at that time investors try to buy that coin/token. So its really important for you to remind all the important dates of that projects to make healthier profits.
Yes, learning from the old ones can help your improvement, but you should be careful all the time, because there are thousands of unnecessary groups in the telegram right now.